Samacheer Kalvi 8th Maths Solutions Term 1 Chapter 1 Rational Numbers Intext Questions

Samacheer Kalvi 8th Maths Solutions Term 1 Chapter 1 Rational Numbers Intext Questions

Tamilnadu Samacheer Kalvi 8th Maths Solutions Term 1 Chapter 1 Rational Numbers Intext Questions

Exercise 1.1
Try This (Textbook Page No. 6)
Question 1.

(vi) 0.128 = 128/1000=1280/10000
0.1280 = 1280/10000
∴ Both are equal. i.e., 0.128 = 0.1280

Question 1.
Which of the pairs are equivalent rational numbers?

Solution:

Question 1.
Are there any rational numbers between −7/11 and 6/−11 ?
Solution:

Try This (Textbook Page No. 19)

Question 1.
Divide: (i) 5 by −7/3
(ii) −7/3 by 5
Solution:

Question 1.
Check whether the associative property holds for subtraction and division.
Solution:
Consider the rational numbers 2/3, 1/2 and 3/4


∴ Associative property does not hold for division of rational numbers

Question 2.
Observe that

Use your reasoning skills, to find the sum of the first 7 numbers in the pattern given above.
Solution: